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-   -   about "Angular Deviation" (https://www.cfd-online.com/Forums/numeca/69977-about-angular-deviation.html)

misu November 11, 2009 03:11

about "Angular Deviation"
 
dear all:
after generate 3D, the mesh quality report shows that Angular Deviation of some cells is larger than 40, but i'm a green bird... could u tell me how to adjust the cell?
thank u for ur help^^

DarylMusashi December 30, 2016 22:23

This usually happens if your blade is twisted in spanwise direction. You might try to increase the Span Interpolation from up to 5% (middle left in the GUI: Mesh Control -> 3D mesh control).
Much more important concerning quality are skewness (>15) and expansion ratio (<2.8).


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